TheLink=Link([[47,39,48,38],[36,50,37,49],[32,44,33,43],[46,30,47,29],[27,49,28,48],[28,37,29,38],[39,26,40,27],[25,40,26,41],[24,36,25,35],[45,18,46,19],[30,18,31,17],[15,42,16,43],[14,34,15,33],[22,13,23,14],[10,23,11,24],[8,42,9,41],[9,34,10,35],[44,6,45,5],[31,6,32,7],[16,8,17,7],[2,22,3,21],[1,13,2,12],[11,1,12,50],[51,20,52,21],[54,4,51,3],[19,52,20,53],[4,54,5,53]])

L=TheLink.exterior()

L.dehn_fill((-2,1),0)

L.solution_type()

L.symmetry_group()
